Lesser trochanter avulsion

Case contributed by Jeremy Jones
Diagnosis certain

Presentation

Tried to kick a football and missed. Pain in left groin.

Patient Data

Age: 12 years
Gender: Male
x-ray

Avulsion of the left lesser trochanter. No other injury.

8 months later

x-ray

Re-imaged because of new pain following kicking a football. Evidence of ossification at the base of the avulsed lesser trochanter. However, there is lucency at the base of the ossified bridge which may represent re-fracture.

Case Discussion

Hip avulsion fractures are common and include avulsion injuries of the trochanters and also the iliac crests.

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